Elimination reactions of haloalkanes

Hydroxide ions just can't make up their minds, one minute they are nucleophiles the next they are bases! To clear up this confusion watch this video to find out how dissolving hydroxide ions in alcohol makes them undergo elimination reactions to make alkenes ready to use in plastics. Complete with mechanisms too! Woo hoo!!!

Пікірлер: 49

  • @uchiha_kami1006
    @uchiha_kami10062 жыл бұрын

    You have my upmost praise, thank you very much. Videos like these will always continue to help future generations of chemist. You've made this topic seem like a breeze and concise. Once again, thank you

  • @AlleryChemistry

    @AlleryChemistry

    2 жыл бұрын

    So nice of you

  • @caitlyn9833
    @caitlyn98334 жыл бұрын

    Stuck in quarantine but I still have to do an organic test to send to the teacher. This really helped!

  • @salmanqureshi3361
    @salmanqureshi33616 жыл бұрын

    You explain this so well. I have been studying A-level Chemistry for 3 years now and have never really understood mechanisms till now. You make this all look so easy! A big shout out to you for making these videos 👍👏

  • @priyanshgujarati3006
    @priyanshgujarati30068 жыл бұрын

    This video was helpful.I will share it with my friends and even teachers in school.I would like you to post a video in which it shows the reagent and condition needed for all the organic reaction in A level. Thank you Sir,

  • @AlleryChemistry

    @AlleryChemistry

    8 жыл бұрын

    +Priyansh Gujarati Thanks very much! I was considering this a few months back and working out how to come up with a neat way to run through it. Now it has been requested I will give it some more thought! Thanks for your support. 👍

  • @user-fr8ve1st4r

    @user-fr8ve1st4r

    2 ай бұрын

    @@AlleryChemistrydid you get round to doing this? I can’t find a good summary anywhere!

  • @gretawilliams8799
    @gretawilliams87996 жыл бұрын

    I hate that...., A level questions are hard as **** book has 0 explanation about the concept/ way and my teacher is lazy as a pig... You should make a book having your videos

  • @sophiasyed869
    @sophiasyed8697 жыл бұрын

    have my CIE in three days and let me just say you've put my college to shame. great video!

  • @AlleryChemistry

    @AlleryChemistry

    7 жыл бұрын

    Good luck with the exam! Not long now then! Please the videos help to supplement what you get at college.

  • @jamesdordan7510
    @jamesdordan75104 жыл бұрын

    Please reply as soon as possible. You said that if the solvent was ethanol then there would be an elimination reaction. However for your nucleophilic substitution video you said that ethanol is a condition for nucleophilic substitution with cyanide ions. Im very confused. Either way, love your videos man

  • @user-fn2xz6ns7d
    @user-fn2xz6ns7d5 жыл бұрын

    Thank you so much reading from the textbook was hard to understand, but you made it so much easier to understand.

  • @LaithzProducctionz
    @LaithzProducctionz8 жыл бұрын

    This is amazing, understood it really well

  • @AlleryChemistry

    @AlleryChemistry

    8 жыл бұрын

    Brilliant!

  • @deathclaw1551
    @deathclaw15512 жыл бұрын

    thanks for the help this really help me gather the information needed for some of my important work

  • @AlleryChemistry

    @AlleryChemistry

    2 жыл бұрын

    Glad it helped

  • @Anas-nu7io
    @Anas-nu7io7 жыл бұрын

    Great video! Thanks

  • @t8938
    @t89388 жыл бұрын

    You are a lifesaver!! thank you so very much! :)

  • @AlleryChemistry

    @AlleryChemistry

    8 жыл бұрын

    +Cookie Pink No problem at all! I have daily multi choice questions for AS Chem on twitter follow @allerytutors to get them. Good luck with your course!

  • @grishmaghimire4107
    @grishmaghimire41075 жыл бұрын

    Thank you for making this so easy to understand👏👏👏

  • @yashaswar1973
    @yashaswar19732 жыл бұрын

    On the diagram (on the right-hand side), shouldn't it be CH3CH2CH2OH instead of CH3CH2OH for the nucleophilic substitution example? Amazing explanation, by the way.

  • @user-jl8iq6uz6b
    @user-jl8iq6uz6b Жыл бұрын

    Thank you so much for these videos-! I've got my AS mocks after Easter and they've been super helpful. I just wondered, if you have an elimination reaction between bromopropane and sodium hydroxide, will the products include (H2O and NaBr) or (HBr and NaOH) and why?

  • @AlleryChemistry

    @AlleryChemistry

    Жыл бұрын

    Hopefully this video should help you 👍 kzread.info/dash/bejne/pqWYlJijgti5oMo.html

  • @paigelewington1475
    @paigelewington14756 жыл бұрын

    At the end of the video where you're explaining the geometric isomer formation you say E/Z, can you not say cis/trans due to there being a hydrogen atom attached to both carbons in double bond? Or am I confusing the concept? Thanks SO much for these videos btw

  • @the2468boy
    @the2468boy8 жыл бұрын

    Excellent

  • @callistachan2762
    @callistachan27626 жыл бұрын

    Thank you sir for the explanation :) , pls do reply when you are free. You've mention in the video that there will be equal chance of forming the isomers ,but wouldn't there be more but-2-ene formed ??because it is more stable than the but-1-ene due to positive inductive effect of alkyl groups

  • @godofwar5397
    @godofwar53975 жыл бұрын

    Hi, thanks for the video, seriously really has helped me understand this so much. If you dont mind i have a question, at 4:20, the C-H bond is being broken as H is being donated a lone pair, so why don't we show this by a curly arrow from centre of covalent bond C-H to C; we seem to show that for C-Cl but not for C-H ; can you explain why?

  • @salmanqureshi3361
    @salmanqureshi33617 жыл бұрын

    very well explained I understand it much better thanks to this video :)

  • @AlleryChemistry

    @AlleryChemistry

    7 жыл бұрын

    You're welcome! Please share the vid

  • @La123x
    @La123x7 жыл бұрын

    Please reply when you can.. Do we heat the reaction mixture under reflux for elimination?

  • @AlleryChemistry

    @AlleryChemistry

    7 жыл бұрын

    Yes we do.

  • @matt1612
    @matt16124 жыл бұрын

    Thank you. This was very helpful 👍🏻

  • @AlleryChemistry

    @AlleryChemistry

    4 жыл бұрын

    You're welcome!

  • @lolasmith3866
    @lolasmith38665 жыл бұрын

    If its dissolved in an ethanolic solvent then doesnt that mean its nucleophilic because in your other video of nucleophilic sub with NH3 the conditions were warm,ethanolic solvent and excess NH3? im confused

  • @theMadZakuPilot
    @theMadZakuPilot5 жыл бұрын

    Why does the the product of nucleophilic substitution have only 2 Carbon atoms while the original haloalkane and the product of Elimination have 3 Carbon atoms ? A quick answer would be extremely appreciated and thank you very much for your hard work and dedication to help students.

  • @umarqureshi6556
    @umarqureshi65567 жыл бұрын

    LEGEND!

  • @AlleryChemistry

    @AlleryChemistry

    7 жыл бұрын

    Heh. I take it the video was useful!

  • @gretawilliams8799

    @gretawilliams8799

    6 жыл бұрын

    Yess!!!

  • @officialexclusive936
    @officialexclusive9365 жыл бұрын

    You are best man in the world.😍😍😍😍

  • @Josh-fc2nf
    @Josh-fc2nf6 жыл бұрын

    What happened to the extra "CH2" when the reaction was in aqueous solution?

  • @laurenkellyg
    @laurenkellyg9 жыл бұрын

    Thankyou!

  • @AlleryChemistry

    @AlleryChemistry

    9 жыл бұрын

    laurenkellyg No problem! Please share the video to others who you think it will help too. The more people it will help the better! I have also started a podcast which may be of interest to you, just click the link at it will take you there www.allerytutors.libsyn.com/

  • @laurenpreston5428
    @laurenpreston54283 жыл бұрын

    What is the attacking species attacking the halo alkane? Is it a nucleophile? Electrophile? Anything like that?

  • @lilyofthevalley005

    @lilyofthevalley005

    Жыл бұрын

    its a base

  • @najaahali8087
    @najaahali80872 жыл бұрын

    This reaction have conditions please explain these conditions

  • @leo4b34
    @leo4b349 жыл бұрын

    I think in 5:46 that is H-O-H, right?

  • @leo4b34

    @leo4b34

    9 жыл бұрын

    Oh.. You are telling that there will be H+ combined with other Halogen group element

  • @AlleryChemistry

    @AlleryChemistry

    9 жыл бұрын

    Jamba Jamba Yes the H+ ion will react with the OH- to make water.

  • @AlleryChemistry

    @AlleryChemistry

    9 жыл бұрын

    A Level Chemistry Revision Videos The halide ion would react with the metal that would have been bonded to the OH- at the start of the reaction. This could be sodium for example. We don't include this in the reaction as sodium ion would be a spectator ion and hence not directly involved in the main reaction. Hope this helps!